Refugee Crisis Project Intro CS for Social Good Refugee Crisis Project Intro

The Problem Give a brief overview about the Syrian refugee crisis, just enough to orient students.

The Problem Ask students what they know about the crisis and what they’ve heard in the news. Do they think most people are in support of refugees or antagonistic towards them?

The Problem Ask students what they know about the crisis and what they’ve heard in the news. Do they think most people are in support of refugees or antagonistic towards them?

Today’s Task Given a set of tweets about Syrian refugees, ISIS, and terror, can we classify hateful sentiment from helpful sentiment? Made up of starting/closing tags and attributes

What is Sentiment Analysis? In order to answer this question, we will be using a technique called Sentiment Analysis. What is Sentiment Analysis?

Positive or negative movie review? unbelievably disappointing Full of zany characters and richly applied satire, and some great plot twists this is the greatest screwball comedy ever filmed It was pathetic. The worst part about it was the boxing scenes. Ask students to actively classify each statement as positive or negative before revealing thumbs up / thumbs down indicators

Google Product Search a Break down characteristics of reviews

Twitter sentiment versus Gallup Poll of Consumer Confidence Brendan O'Connor, Ramnath Balasubramanyan, Bryan R. Routledge, and Noah A. Smith. 2010. From Tweets to Polls: Linking Text Sentiment to Public Opinion Time Series. In ICWSM-2010 **Emphasize that Twitter data can actually reflect larger parts of reality! The black line shows poll data about consumer confidence; without conducting any polls and simply from conducting sentiment analysis on twitter, software was able to very closely approximate these numbers (blue line). This shows a far faster and cheaper way of getting incredibly accurate data. Thanks to Brendan O’Connor and Noah Smith (email, 1/18/12) for permission to use this figure.

Target Sentiment on Twitter Twitter Sentiment App Alec Go, Richa Bhayani, Lei Huang. 2009. Twitter Sentiment Classification using Distant Supervision Another example -- sentiment analysis can be conducted on anything.

Why does this matter? Classifying sentiment allows us to build: Tools that filter harmful content from the browser Bots that automatically respond to hateful tweets with educational resources Metrics on demographics of anti-refugee actors to inform resistance and education efforts End by tying it all back to the issue / project at hand -- sentiment analysis on the refugee crisis.

Why does this matter? If you used this tool, you could: Become more aware about the opinions of your peers? If the government used this tool, they could: Shape public policy to best reflect the public’s opinions? Prompt class to think of ways that this could be useful before revealing example answers!

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